SLEW
PRONUNCIATION:   sl oo
VARIANT FORMS: also slue
NOUN: Informal A large amount or number; a lot: a slew of unpaid bills.
ETYMOLOGY: Irish Gaelic sluagh, multitude, from Old Irish slúag

SLOUGH

PRONUNCIATION:   slou
VARIANT FORMS: also slew ( sl)
NOUN: 1. A depression or hollow, usually filled with deep mud or mire. 2. also slue A stagnant swamp, marsh, bog, or pond, especially as part of a bayou, inlet, or backwater. 3. A state of deep despair or moral degradation.
ETYMOLOGY: Middle English, from Old English slh.